<?php
error_reporting(E_ALL);
set_time_limit(0);

date_default_timezone_set('Europe/London');
?>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

        <title>PHPExcel Calculation Examples</title>

    </head>
    <body>

        <h1>DATE</h1>
        <h2>Returns the serial number of a particular date.</h2>
        <?php
        /** Include path * */
        set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');

        /** Include PHPExcel */
        include 'PHPExcel.php';


// Create new PHPExcel object
        $objPHPExcel = new PHPExcel();
        $worksheet = $objPHPExcel->getActiveSheet();

// Add some data
        $testDates = array(array(2012, 3, 26), array(2012, 2, 29), array(2012, 4, 1), array(2012, 12, 25),
            array(2012, 10, 31), array(2012, 11, 5), array(2012, 1, 1), array(2012, 3, 17),
            array(2011, 2, 29), array(7, 5, 3), array(2012, 13, 1), array(2012, 11, 45),
            array(2012, 0, 0), array(2012, 1, 0), array(2012, 0, 1),
            array(2012, -2, 2), array(2012, 2, -2), array(2012, -2, -2),
        );
        $testDateCount = count($testDates);

        $worksheet->fromArray($testDates, NULL, 'A1', true);

        for ($row = 1; $row <= $testDateCount; ++$row) {
            $worksheet->setCellValue('D' . $row, '=DATE(A' . $row . ',B' . $row . ',C' . $row . ')');
            $worksheet->setCellValue('E' . $row, '=D' . $row);
        }
        $worksheet->getStyle('E1:E' . $testDateCount)
                ->getNumberFormat()
                ->setFormatCode('yyyy-mmm-dd');


        echo '<hr />';


// Test the formulae
        ?>
        <table border="1" cellspacing="0">
            <tr>
                <th colspan="3">Date Value</th>
                <th rowspan="2" valign="bottom">Formula</th>
                <th rowspan="2" valign="bottom">Excel DateStamp</th>
                <th rowspan="2" valign="bottom">Formatted DateStamp</th>
            </tr>
            <tr>
                <th>Year</th>
                <th>Month</th>
                <th>Day</th>
            <tr>
                <?php
                for ($row = 1; $row <= $testDateCount; ++$row) {
                    echo '<tr>';
                    echo '<td>', $worksheet->getCell('A' . $row)->getFormattedValue(), '</td>';
                    echo '<td>', $worksheet->getCell('B' . $row)->getFormattedValue(), '</td>';
                    echo '<td>', $worksheet->getCell('C' . $row)->getFormattedValue(), '</td>';
                    echo '<td>', $worksheet->getCell('D' . $row)->getValue(), '</td>';
                    echo '<td>', $worksheet->getCell('D' . $row)->getFormattedValue(), '</td>';
                    echo '<td>', $worksheet->getCell('E' . $row)->getFormattedValue(), '</td>';
                    echo '</tr>';
                }
                ?>
        </table>